/* ---------------------------------------------------------
   app.css — SPA 外壳：路由过渡、加载条、灯箱、返回顶部
   site.css 为原站 Tailwind 产物，这里只补充外壳所需样式
   --------------------------------------------------------- */

#view {
  display: contents;
}

#view > main {
  animation: route-in 0.42s cubic-bezier(0.215, 0.61, 0.355, 1) both;
}

@keyframes route-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 路由切换时的顶部进度条 */
.route-loading {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 95;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.route-loading.is-active {
  opacity: 1;
}

.route-loading > span {
  display: block;
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, transparent, currentColor, transparent);
  color: var(--color-foreground-primary, #111);
  animation: route-bar 0.9s ease-in-out infinite;
}

@keyframes route-bar {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(320%);
  }
}

/* 返回顶部 */
.back-to-top {
  transition: opacity 0.25s ease, transform 0.25s ease;
  transform: translateY(8px);
}

.back-to-top.is-shown {
  opacity: 1;
  transform: none;
}

/* 移动端菜单展开时锁定滚动 */
body.nav-locked {
  overflow: hidden;
}

/* 视频灯箱 */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: center;
  padding: 4vmin;
  background: rgba(8, 8, 10, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.lightbox.is-open {
  opacity: 1;
}

.lightbox__video {
  width: min(1180px, 92vw);
  max-height: 84vh;
  border-radius: 14px;
  background: #000;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.5);
}

.lightbox__close {
  position: absolute;
  top: 22px;
  right: 22px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  transition: background 0.2s ease, transform 0.2s ease;
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: rotate(90deg);
}

/* 页面内锚点滚动留出吸顶导航高度 */
html {
  scroll-padding-top: 6rem;
}

/* 首屏之外的内容在脚本就绪前保持可见 */
html:not(.reveal-ready) [data-reveal],
html:not(.reveal-ready) [data-reveal-stagger] > * {
  opacity: 1 !important;
}

/* ---------------------------------------------------------
   副本页模式（#/shop 这类路由）
   地址栏保持单入口，内容由 iframe 承载，隐藏主站外壳
   --------------------------------------------------------- */
body.doc-mode header,
body.doc-mode footer,
body.doc-mode .back-to-top,
body.doc-mode #mobile-menu {
  display: none !important;
}

body.doc-mode {
  overflow: hidden;
  background: #0b0b0d;
}

body.doc-mode #view {
  display: block;
  position: fixed;
  inset: 0;
  z-index: 1;
}

.doc-frame {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
}